Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9688860 | Method for producing water-based pigment dispersion liquid and water-based ink for ink jet recording | Masahiro Kido, Shinichi Okada, Soetrisno Misawa | 2017-06-27 |
| 8044116 | Pigment dispersion, aqueous pigment liquid dispersion, and ink-jet recording ink | Satoshi Idemura | 2011-10-25 |
| 6166880 | Thin film magnetic head which prevents errors due to electric discharge | Mikio Matsuzaki | 2000-12-26 |
| 5245488 | Low-noise composite magnetic head for recording and producing | Osamu Iwamoto, Takahiro Sato | 1993-09-14 |
| 4919073 | Surface treatment method and apparatus thereof | Takuma Yamada, Kiyoshi Akao | 1990-04-24 |
| 4830888 | Surface treatment method and apparatus thereof | Takuma Yamada, Kiyoshi Akao | 1989-05-16 |
| 4640950 | Thixotropic polyurethane resin compositions | Kenichi Nishino, Sachio Higashi, Shinichiro Yamamoto, Kiyoshi Yasuda | 1987-02-03 |